ATI Radeon HD 4750 vs AMD Radeon R7 450 OEM

VS

ATI Radeon HD 4750

AMD Radeon R7 450 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 2GB VRAM Radeon R7 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4750 's Advantages

128 additional rendering cores

AMD Radeon R7 450 OEM 's Advantages

Released 6 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 51.20GB/s)

Lower TDP (65W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 4750

0.934 TFLOPS

Radeon R7 450 OEM +1%

0.947 TFLOPS

Radeon HD 4750

VS

Radeon R7 450 OEM

Graphics Card

Sep 2009

Release Date

Jun 2016

Radeon R700

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1125 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

72.00GB/s

Render Config

8

Compute Units

8

-

640

Shading Units

512

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

11.68 GPixel/s

Pixel Rate

14.80 GPixel/s

23.36 GTexel/s

Texture Rate

29.60 GTexel/s

-

934.4 GFLOPS

FP32 (float)

947.2 GFLOPS

186.9 GFLOPS

FP64 (double)

59.20 GFLOPS

Board Design

100W

TDP

65W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

Cape Verde

RV740 PRO

GPU Variant

Cape Verde PRO2

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

1.5 billion

137 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5 (5.1)

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